| Gelves to Smolyan | 1,655.67 mi (2,664.54 km) |
| Gelves to Sofia | 1,587.90 mi (2,555.48 km) |
| Gelves to Sopot | 1,659.76 mi (2,671.13 km) |
| Gelves to Sozopol | 1,809.62 mi (2,912.30 km) |
| Gelves to Sredets | 1,784.11 mi (2,871.25 km) |
| Gelves to Stamboliyski | 1,647.54 mi (2,651.47 km) |
| Gelves to Stara Zagora | 1,705.08 mi (2,744.07 km) |
| Gelves to Svilengrad | 1,733.01 mi (2,789.02 km) |
| Gelves to Svishtov | 1,693.71 mi (2,725.77 km) |
| Gelves to Targovishte | 1,754.09 mi (2,822.94 km) |
| Gelves to Teteven | 1,636.20 mi (2,633.21 km) |
| Gelves to Troyan | 1,658.82 mi (2,669.61 km) |
| Gelves to Tryavna | 1,698.39 mi (2,733.29 km) |
| Gelves to Tutrakan | 1,758.78 mi (2,830.49 km) |
| Gelves to Varna | 1,821.11 mi (2,930.80 km) |
